diff options
| -rw-r--r-- | drivers/tty/serial/fsl_lpuart.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index ed0bf180ceb4..94863333f48b 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -231,6 +231,9 @@ #define DEV_NAME "ttyLP" #define UART_NR 6 +/* IMX lpuart has four extra unused regs located at the beginning */ +#define IMX_REG_OFF 0x10 + struct lpuart_port { struct uart_port port; struct clk *clk; @@ -259,6 +262,7 @@ struct lpuart_port { struct lpuart_soc_data { char iotype; + u8 reg_off; }; static const struct lpuart_soc_data vf_data = { @@ -269,9 +273,15 @@ static const struct lpuart_soc_data ls_data = { .iotype = UPIO_MEM32BE, }; +static struct lpuart_soc_data imx_data = { + .iotype = UPIO_MEM32, + .reg_off = IMX_REG_OFF, +}; + static const struct of_device_id lpuart_dt_ids[] = { { .compatible = "fsl,vf610-lpuart", .data = &vf_data, }, { .compatible = "fsl,ls1021a-lpuart", .data = &ls_data, }, + { .compatible = "fsl,imx7ulp-lpuart", .data = &imx_data, }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, lpuart_dt_ids); @@ -2019,6 +2029,7 @@ static int lpuart_probe(struct platform_device *pdev) if (IS_ERR(sport->port.membase)) return PTR_ERR(sport->port.membase); + sport->port.membase += sdata->reg_off; sport->port.mapbase = res->start; sport->port.dev = &pdev->dev; sport->port.type = PORT_LPUART; |